VISTA operating system needs to be reactivated after installing or updating third party software

                  Symptoms: The Microsoft Windows Vista operating system is active and causes activation to fail when updating the display card or other drivers. After entering this mode, the PC will enter the restricted function mode and nothing can be used except for the browser. Description:

Microsoft Windows Vista operating system is in the active state, to update the display card or other drive when activated cause failure. After entering this mode, the PC will enter the restricted function mode, and nothing can be used except the browser. At this time, it can only resort to Microsoft to obtain a new activation number.

Affected Systems:

Windows Vista Enterprise 64-bit Edition
Windows Vista Home Premium 64-bit Edition
Windows Vista Ultimate 64-bit Edition < Br> Windows Vista Business
Windows Vista Business 64-bit Edition
Windows Vista Enterprise
Windows Vista Home Premium
Windows Vista Ultimate

Processing Method:

When there is an activation prompt in the normally activated VISTA operating system, you can take the method of turning off the computer and rebooting. If you do not enter the normal system interface after startup, you can try this operation repeatedly.
After entering the operating system normally, you can download and install the KB941649 patch through the Microsoft China website to solve this problem.


*Note:
You need to restart your computer after applying this update.


Microsoft patch name and link:
Patch name: KB941649
Link: http://support.microsoft.com/?kbid=941649